Central object of the 30 Doradus Nebula, a supermassive star

Details Central object of the 30 Doradus Nebula, a supermassive star Central object of the 30 Doradus Nebula, a supermassive star

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981sci...212.1497c&link_type=abstract

Science, vol. 212, June 26, 1981, p. 1497-1501.

Astronomy and Astrophysics

Astronomy

99

Magellanic Clouds, Stellar Spectra, Stellar Temperature, Stellar Winds, Supermassive Stars, Iue, Nebulae, Stellar Mass, Ultraviolet Astronomy

Scientific paper

Observations by the International Ultraviolet Explorer of R136(HD 38268), the central object of the 30 Doradus Nebula, at high and low spectral resolutions show a peculiar hot object with a massive stellar wind; spectra indicating an outflow speed of 3500 kilometers/sec and a temperature of 60,000 K. The peculiar object R136a, providing most of the ionizations, is interpreted as being dominated by a single superluminous object with the following, approximate properties: a radius 100 times that of the sun, a mass 2500 times that of the sun, and a loss rate of 10 to the -3.5 solar masses per year. The instability expected to be typical of such stars may account for the massive stellar wind.

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